blob: ee6d3b997ef50d451ea5e023be30df6be2f142e5 [file] [log] [blame]
/*
* This file is part of rt_sigtimedwait strace test.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_rt_sigtimedwait
# include <assert.h>
# include <errno.h>
# include <signal.h>
# include <stdio.h>
# include <stdint.h>
# include <string.h>
# include <unistd.h>
static long
k_sigtimedwait(const sigset_t *const set, siginfo_t *const info,
const struct timespec *const timeout, const unsigned long size)
{
return syscall(__NR_rt_sigtimedwait, set, info, timeout, size);
}
static void
iterate(const char *const text, const void *set,
const struct timespec *const timeout, unsigned int size)
{
for (;;) {
assert(k_sigtimedwait(set, NULL, timeout, size) == -1);
if (EINTR == errno) {
tprintf("rt_sigtimedwait(%s, NULL, {%jd, %jd}, %u)"
" = -1 EAGAIN (%m)\n", text,
(intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec,
size);
} else {
if (size < sizeof(long))
tprintf("rt_sigtimedwait(%p, NULL, {%jd, %jd}"
", %u) = -1 EINVAL (%m)\n",
set, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, size);
else
tprintf("rt_sigtimedwait(%s, NULL, {%jd, %jd}"
", %u) = -1 EINVAL (%m)\n",
text, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, size);
}
if (!size)
break;
size >>= 1;
set += size;
}
}
int
main(void)
{
tprintf("%s", "");
siginfo_t *const info = tail_alloc(sizeof(*info));
struct timespec *const timeout = tail_alloc(sizeof(*timeout));
timeout->tv_sec = 0;
timeout->tv_nsec = 42;
const unsigned int big_size = 1024 / 8;
void *k_set = tail_alloc(big_size);
memset(k_set, 0, big_size);
unsigned int set_size = big_size;
for (; set_size; set_size >>= 1, k_set += set_size) {
assert(k_sigtimedwait(k_set, NULL, timeout, set_size) == -1);
if (EAGAIN == errno)
break;
tprintf("rt_sigtimedwait(%p, NULL, {%jd, %jd}, %u)"
" = -1 EINVAL (%m)\n",
k_set, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, set_size);
}
if (!set_size)
perror_msg_and_fail("rt_sigtimedwait");
tprintf("rt_sigtimedwait([], NULL, {%jd, %jd}, %u) = -1 EAGAIN (%m)\n",
(intmax_t) timeout->tv_sec, (intmax_t) timeout->tv_nsec,
set_size);
sigset_t *const libc_set = tail_alloc(sizeof(sigset_t));
sigemptyset(libc_set);
sigaddset(libc_set, SIGHUP);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait([HUP], %p, {%jd, %jd}, %u) = -1 EAGAIN (%m)\n",
info, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, set_size);
sigaddset(libc_set, SIGINT);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait([HUP INT], %p, {%jd, %jd}, %u)"
" = -1 EAGAIN (%m)\n",
info, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, set_size);
sigaddset(libc_set, SIGQUIT);
sigaddset(libc_set, SIGALRM);
sigaddset(libc_set, SIGTERM);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait(%s, %p, {%jd, %jd}, %u) = -1 EAGAIN (%m)\n",
"[HUP INT QUIT ALRM TERM]",
info, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, set_size);
memset(k_set - set_size, -1, set_size);
assert(k_sigtimedwait(k_set - set_size, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait(~[], %p, {%jd, %jd}, %u) = -1 EAGAIN (%m)\n",
info, (intmax_t) timeout->tv_sec,
(intmax_t) timeout->tv_nsec, set_size);
if (sigprocmask(SIG_SETMASK, libc_set, NULL))
perror_msg_and_fail("sigprocmask");
assert(k_sigtimedwait(k_set - set_size, info, NULL, set_size << 1) == -1);
tprintf("rt_sigtimedwait(%p, %p, NULL, %u) = -1 EINVAL (%m)\n",
k_set - set_size, info, set_size << 1);
iterate("~[]", k_set - set_size, timeout, set_size >> 1);
timeout->tv_sec = 1;
raise(SIGALRM);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == SIGALRM);
tprintf("rt_sigtimedwait(%s, {si_signo=%s, si_code=SI_TKILL"
", si_pid=%d, si_uid=%d}, {%jd, %jd}, %u) = %d (%s)\n",
"[HUP INT QUIT ALRM TERM]", "SIGALRM", getpid(), getuid(),
(intmax_t) timeout->tv_sec, (intmax_t) timeout->tv_nsec,
set_size, SIGALRM, "SIGALRM");
raise(SIGALRM);
assert(k_sigtimedwait(k_set, NULL, NULL, set_size) == SIGALRM);
tprintf("rt_sigtimedwait(%s, NULL, NULL, %u) = %d (%s)\n",
"[HUP INT QUIT ALRM TERM]", set_size, SIGALRM, "SIGALRM");
tprintf("+++ exited with 0 +++\n");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_rt_sigtimedwait")
#endif